<!DOCTYPE html>
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<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        $x="10";
        $y="4";
        echo ($x+$y); 
        echo ($x-$y);
        echo ($x*$y);
        echo ($x/$y);
        echo ($x%$y);
         ?>
       <?php
      
       ?>

    </body>
</html>
